Psychobehavioral variables at baseline, week 8 (after weight loss), and week 26 separated by last study visit of participant
| . | 6 months (n = 1529) . | Year 1 (n = 1381) . | Year 2 (n = 1093) . | Year 3 (n = 962) . |
|---|---|---|---|---|
| Baseline | ||||
| TFEQ-F1 (cognitive restraint) | 7.58 ± 4.06 | 6.84 ± 3.97a | 7.93 ± 4.25 | 8.26 ± 4.03 |
| TFEQ-F2 (disinhibition) | 9.62 ± 3.81 | 9.11 ± 3.25 | 9.25 ± 3.77 | 9.06 ± 3.52 |
| TFEQ-F3 (hunger) | 7.15 ± 3.53 | 6.45 ± 3.44 | 6.84 v 3.71 | 7.02 ± 3.51 |
| PSS | 14.32 ± 6.36a | 13.72 ± 6.30 | 14.07 ± 5.96 | 12.07 ± 6.08 |
| POMS (total mood disturbance) | 21.90 ± 28.84a | 20.63 ± 24.83 | 19.38 ± 28.71 | 14.52 ± 25.80 |
| ESS | 7.70 ± 4.45 | 7.69 ± 3.99 | 7.90 ± 4.41 | 7.55 ± 4.43 |
| PSQI | 6.24 ± 3.53 | 6.33 ± 3.04 | 6.64 ± 3.36 | 6.16 ± 3.16 |
| Sleep duration, min | 480.2 ± 78.5 | 451.1 ± 71.8ab | 484.2 ± 68.4 | 474.0 ± 73.4 |
| Baecke sport | 2.10 ± 0.64 | 2.14 ± 0.63 | 2.08 ± 0.70 | 2.33 ± 0.71 |
| Baecke leisure | 2.60 ± 0.70 | 2.55 ± 0.72 | 2.53 ± 0.67 | 2.66 ± 0.68 |
| Baecke work | 2.38 ± 0.73 | 2.45 ± 0.74 | 2.43 ± 0.80 | 2.35 ± 0.74 |
| Week 8 | ||||
| TFEQ-F1 (cognitive restraint) | 11.15 ± 4.50 | 10.80 ± 4.75 | 11.09 ± 4.55 | 11.29 ± 4.34 |
| TFEQ-F2 (disinhibition) | 8.16 ± 3.82 | 7.70 ± 3.52 | 8.06 ± 3.86 | 8.09 ± 3.61 |
| TFEQ-F3 (hunger) | 5.60 ± 3.72 | 5.92 ± 3.59 | 5.92 ± 3.72 | 5.96 ± 3.63 |
| PSS | 13.19 ± 6.43a | 12.66 ± 6.04 | 12.46 ± 6.01 | 12.00 ± 5.72 |
| POMS (total mood disturbance) | 12.90 ± 28.19 | 13.03 ± 20.67 | 10.14 ± 26.64 | 9.62 ± 26.20 |
| ESS | 6.54 ± 4.26 | 6.45 ± 3.69 | 6.91 ± 4.02 | 6.61 ± 4.13 |
| PSQI | 4.91 ± 2.70 | 5.14 ± 2.86 | 5.60 ± 2.98 | 5.16 ± 2.89 |
| 6 months | ||||
| TFEQ-F1 (cognitive restraint) | 12.85 ± 4.05 | 13.41 ± 3.89 | 13.16 ± 4.11 | 13.91 ± 3.55 |
| TFEQ-F2 (disinhibition) | 7.93 ± 4.01 | 7.22 ± 3.47 | 7.55 ± 3.66 | 7.24 ± 3.32 |
| TFEQ-F3 (hunger) | 5.15 ± 3.71 | 5.01 ± 3.29 | 5.15 ± 3.49 | 4.90 ± 3.46 |
| PSS | 15.10 ± 6.59a | 13.54 ± 6.19 | 14.36 ± 6.76 | 12.91 ± 6.14 |
| POMS (total mood disturbance) | 21.46 ± 31.76ab | 14.91 ± 22.06 | 14.28 ± 27.93 | 12.92 ± 26.78 |
| ESS | 7.18 ± 4.65 | 7.55 ± 4.47 | 7.40 ± 4.40 | 6.71 ± 4.19 |
| PSQI | 5.59 ± 3.23 | 5.39 ± 2.61 | 6.15 ± 3.26 | 5.47 ± 2.99 |
| Sleep duration, min | 483.9 ± 77.0a | 473.0.1 ± 76.8 | 474.7 ± 71.5 | 467.6 ± 73.3 |
| Baecke sport | 2.44 ± 0.69 | 2.59 ± 0.76 | 2.53 ± 0.72 | 2.72 ± 0.71 |
| Baecke leisure | 2.93 ± 0.65 | 2.87 ± 0.62 | 2.93 ± 0.60 | 2.99 ± 0.66 |
| Baecke work | 2.41 ± 0.76 | 2.42 ± 0.78 | 2.46 ± 0.76 | 2.39 ± 0.75 |
| . | 6 months (n = 1529) . | Year 1 (n = 1381) . | Year 2 (n = 1093) . | Year 3 (n = 962) . |
|---|---|---|---|---|
| Baseline | ||||
| TFEQ-F1 (cognitive restraint) | 7.58 ± 4.06 | 6.84 ± 3.97a | 7.93 ± 4.25 | 8.26 ± 4.03 |
| TFEQ-F2 (disinhibition) | 9.62 ± 3.81 | 9.11 ± 3.25 | 9.25 ± 3.77 | 9.06 ± 3.52 |
| TFEQ-F3 (hunger) | 7.15 ± 3.53 | 6.45 ± 3.44 | 6.84 v 3.71 | 7.02 ± 3.51 |
| PSS | 14.32 ± 6.36a | 13.72 ± 6.30 | 14.07 ± 5.96 | 12.07 ± 6.08 |
| POMS (total mood disturbance) | 21.90 ± 28.84a | 20.63 ± 24.83 | 19.38 ± 28.71 | 14.52 ± 25.80 |
| ESS | 7.70 ± 4.45 | 7.69 ± 3.99 | 7.90 ± 4.41 | 7.55 ± 4.43 |
| PSQI | 6.24 ± 3.53 | 6.33 ± 3.04 | 6.64 ± 3.36 | 6.16 ± 3.16 |
| Sleep duration, min | 480.2 ± 78.5 | 451.1 ± 71.8ab | 484.2 ± 68.4 | 474.0 ± 73.4 |
| Baecke sport | 2.10 ± 0.64 | 2.14 ± 0.63 | 2.08 ± 0.70 | 2.33 ± 0.71 |
| Baecke leisure | 2.60 ± 0.70 | 2.55 ± 0.72 | 2.53 ± 0.67 | 2.66 ± 0.68 |
| Baecke work | 2.38 ± 0.73 | 2.45 ± 0.74 | 2.43 ± 0.80 | 2.35 ± 0.74 |
| Week 8 | ||||
| TFEQ-F1 (cognitive restraint) | 11.15 ± 4.50 | 10.80 ± 4.75 | 11.09 ± 4.55 | 11.29 ± 4.34 |
| TFEQ-F2 (disinhibition) | 8.16 ± 3.82 | 7.70 ± 3.52 | 8.06 ± 3.86 | 8.09 ± 3.61 |
| TFEQ-F3 (hunger) | 5.60 ± 3.72 | 5.92 ± 3.59 | 5.92 ± 3.72 | 5.96 ± 3.63 |
| PSS | 13.19 ± 6.43a | 12.66 ± 6.04 | 12.46 ± 6.01 | 12.00 ± 5.72 |
| POMS (total mood disturbance) | 12.90 ± 28.19 | 13.03 ± 20.67 | 10.14 ± 26.64 | 9.62 ± 26.20 |
| ESS | 6.54 ± 4.26 | 6.45 ± 3.69 | 6.91 ± 4.02 | 6.61 ± 4.13 |
| PSQI | 4.91 ± 2.70 | 5.14 ± 2.86 | 5.60 ± 2.98 | 5.16 ± 2.89 |
| 6 months | ||||
| TFEQ-F1 (cognitive restraint) | 12.85 ± 4.05 | 13.41 ± 3.89 | 13.16 ± 4.11 | 13.91 ± 3.55 |
| TFEQ-F2 (disinhibition) | 7.93 ± 4.01 | 7.22 ± 3.47 | 7.55 ± 3.66 | 7.24 ± 3.32 |
| TFEQ-F3 (hunger) | 5.15 ± 3.71 | 5.01 ± 3.29 | 5.15 ± 3.49 | 4.90 ± 3.46 |
| PSS | 15.10 ± 6.59a | 13.54 ± 6.19 | 14.36 ± 6.76 | 12.91 ± 6.14 |
| POMS (total mood disturbance) | 21.46 ± 31.76ab | 14.91 ± 22.06 | 14.28 ± 27.93 | 12.92 ± 26.78 |
| ESS | 7.18 ± 4.65 | 7.55 ± 4.47 | 7.40 ± 4.40 | 6.71 ± 4.19 |
| PSQI | 5.59 ± 3.23 | 5.39 ± 2.61 | 6.15 ± 3.26 | 5.47 ± 2.99 |
| Sleep duration, min | 483.9 ± 77.0a | 473.0.1 ± 76.8 | 474.7 ± 71.5 | 467.6 ± 73.3 |
| Baecke sport | 2.44 ± 0.69 | 2.59 ± 0.76 | 2.53 ± 0.72 | 2.72 ± 0.71 |
| Baecke leisure | 2.93 ± 0.65 | 2.87 ± 0.62 | 2.93 ± 0.60 | 2.99 ± 0.66 |
| Baecke work | 2.41 ± 0.76 | 2.42 ± 0.78 | 2.46 ± 0.76 | 2.39 ± 0.75 |
Data are presented as mean ± SD. ESS, Epworth Sleepiness Scale; POMS, Profile of Mood Score; PSQI, Pittsburgh Sleep Quality Index; PSS, Perceived Stress Scale.
Significantly different from year 3 (P < 0.05).
Significantly different from year 2 (P < 0.05).